Apparatus for producing combustion.



No. 663,3l5. Patented Dec. 4, I900.

L. D. WEST.

APPARATUS FOR PRODUCING COMBUSTIUN. 7 (Application filed. Aug. 10,1900.) I (No Model.) 2 SheetsSheet l.

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N0. 663,3l5. Patented Dec. 4, I900.

L. D. WEST.

APPARATUS FOR PRODUCING COMBUSTION (Application med Aug. 10, 1900.

2 Sheetssheet 2.

(No Model.)

WITNESSES.-

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LEONIDAS D. WEST, OF DUNDEE, NEiV YORK.

SPECIFICATION forming part of Letters Patent No. 663,315, dated December4, 1900.

Application filed August 10, 1900. Serial No. 26,485. (Nomodel-J To whomit 'may concern:

Be it known that I, LEONIDAS D. VEST, of Dundee, in the county of Yates,in the State of New York, have invented new and useful Improvements inApparatus for Producing Combustion, of which the following, taken inconnection with the accompanying drawings, is a full, clear, and exactdescription.

This invention relates to improvements in apparatus for producingcombustion, the object being to provide means for inducing a continuousflow of air to a combustion-chamber and heating the same in transitthereto by the products of combustion.

To this end the invention consists in the combination, construction, andarrangement of the parts of an air-feeding apparatus, as hereinafterfully described, and pointed out in the claims.

Referring to the drawings, Figure 1 is an elevation, partly in section,of my invention shown as operatively attached to an ordinary furnace.Fig. 2 is a slightly-enlarged vertical sectional view of this inventionas applied to a stove and showing a slightly-modified supporting meansand connection to the airinlet chamber. Fig. 3 is a still furtherenlarged vertical sectional view of the parts seen in Fig. 1, thesupporting means and an air-inlet feed being omitted. Figs. at, 5, and 6are perspective views, respectively, of the parts which form the upper,intermediate, and lower sections seen in Fig. 3. Fig. 7 is an inner faceview of the supporting-brace seen in Fig. 1.

As preferably constructed this invention consists of a series of hollowsections 1, 2, and 3, supported within the combustion-chamber of aheater in planes one above the other and discharging into saidcombustion-chamber, and an inlet-chamber 1, connected to one of thesections for feeding fresh air thereto.

In Fig. 1 I have shown the sections 1, 2, and 3 as suspended within thecombustion-chainber a of an ordinary furnace A and as connected to theair-inlet chamber 4 by'a conduit or pipe 5, which serves to partiallysupport said sections and to conduct the air from the air-inlet chamber4: to the upper chamber of the section 1. In order to additionallysupport said sections and to permit the same to be properly adjusted forvarious sizes of combustion-chambers, I provide a brace 6, hav= ing oneend adjustably clamped to the inner end of the conduit 5 and its otherend engaged with the walls of the combustionchamber and preferably withthe walls of the fuel-inlet opening. This brace is preferably formedwith separated arms diverging from its upper end, said arms beingengaged with the walls on opposite sides of the fuel-inlet opening forpermitting the fuel to pass between said arms.

Although the above-described construction of conduit and supportingmeans is particularly desirable when my invention is used in connectionwith a furnace, as seen in Fig. 1, it will be apparent that saidsupporting conduit and brace may be dispensed with when it is desired touse my invention in connection with an ordinary stove or range, and atFig. 2 I have shown a portion of the top of a range, which may be one ofthe plates orgriddle thereof, from which the sections 1, 2, and 3 aresuspended and held in operative position by a single clamping-bolt, as7. When used in this connection, I usually provide the cross-piece orgriddle of the range with an air-chamber 8, having an inlet-opening 9and an outlet-opening 10. The walls of this airchamber 8 may be eitherformed integral with the cross-piece or griddle or maybe detachabletherefrom, as may be desired.

The sections 1, 2, and 3 are, as previously stated, arranged in planesone above the other and gradually diminishing in area from the uppersection toward the lower section. These air-heating sections may be ofany form or size, but preferably consist of hollow substantiallylenticular bodies of unequal cross-sectional area formed ofoppositely-arranged concavo-convex plates having openings in theiradjacent faces for connecting the interior chambers of said sectionswith each other. The 'upper plate of the upper section is provided withan inlet-opening 11, which is pref erably threaded to receive the innerthreaded end of the conduit 5, the outer end of said conduit 5 beingconnected to the inlet-opening 4, and it is thus apparent that whendesired the air is conducted from the air-inlet chamber 4 through theconduit 5 to the interior chamber of the section 1. The opposite orlower plate of the section 1 is formed with an annular flange 12,normally engaged with the upper face of the section 2 for forming anadditional air-chamber 13, which communicates with the interior chamberof the section 1 through an outlet-opening 14, formed in the base of thelower plate of the section 1 and preferably of less diameter than thechamber 13.

In devices of this character it is desirable to distribute the heatedair over as large a surface as possible in order that the same may beheated to a high degree, and for this purpose I provide the section 1with a transverse diaphragm 15, having its peripheral edges usuallyinterposed between the upper and lower plates of said section and itsintermediate portion provided with apertures for conducting the air fromthe inlet-opening 11 in the upper plate to the outlet-opening 14 of thelower plate. The upper plate of the lower section 2 is provided with aninlet-opening 16, alined with the opening 14 and serving to connect thechambers 13 with the interior chamber of the section 2. The lower plateof the section 2 is formed with a substantially central opening 17,alined with the opening 16, and with a depending annular flange 20,surrounding said opening and engaged with the upper face of the lowersection 3 for forming an additional air-chamber 21, which communicateswith the interior chamber of the section 2 through the opening 17.

Arranged transversely within the interior chamber of the section 2 is adiaphragm 25, which is preferably formed of less diameter than saidsections and is provided with depending studs or legs 26, normallyresting upon the inner face of the lower plate of the section 2 forholding said diaphragm out of contact with the interior walls of thesection and permitting the air to pass between the periphery of saiddiaphragm and the adjacent walls of the lower plate. These diaphragms 15and 25 are each provided with substantially central apertures alinedwith the apertures 14, 16, and 17 for receiving suitable clamping means,hereinafter described.

The upper plate of the lower section 3 is provided with a substantiallycentral aperture 27, alined with the apertures 1'7 of the section 2 andis adapted to receive the air discharged from the chamber 21 and conductthe same to the interior chamber of the section 3. The lower plate ofthe section 3 is provided with a series of apertures 30, form ed of lesscross-area than the aperture 27, and they are preferably arranged nearthe periphery of said lower plate for discharging the heated air in aseries of jets to the combustion-chamber.

The upper plate of the upper section 1 and the lower plate of thesection 3 are provided with substantially central apertures alined withthe apertures 14, 16, 17, and 27 for receiving the clamping meanspreviously mentioned. This clamping means usually consists of a bolt 31,passed through the central apertures of the sections 1, 2, and 3 and isprovided at its opposite ends with suitable heads or engaging shoulders,one or both of which may be adjustable lengthwise of the bolt forengaging the upper and lower faces of the sections 1 and 3, and therebyclamping the sections 1, 2, and 3 firmly together. As previously stated,these sections 1, 2, and 3 are formed of unequal area, the section 2having its periphery extending beyond the periphery of the section 3 andthe section 1 being formed of greater diameter than the section 2.Although I have shown but three of these sections detachably connectedto each other, it will be readily understood that any number ofintermediate sections 2 may be interposed between the upper section 1and the lower section 3 and clamped together by a single bolt in themannerjust described. It is also evident that, if desired, the lowersection 3 may be also provided with a suitable diaphragm for retardingthe passage of the air from the inlet-opening 27 to thedischarge-openings 30.

The inlet-chamber 4, previously referred to, is preferably secured tothe outer shell of the heater, as seen in Fig. 1, and usually consistsof a hollow cylindrical drum having its interior chamber connected tothe conduit 5 through an opening 33, formed in the outer shell of thefurnace A, which in turn communicates with an additional chamber 34,preferably arranged at the inside of said shell and provided with athreaded aperture for receiving the outer threaded end of the conduit 5.The outer wall of the chamber 4 is usually provided with a series ofapertures and a damper 35, pivotally connected to said outer Wall andmovable into and out of registration with said apertures.

The means for securing the chamber 4 and damper 35 in positionpreferably consists of a bolt 36, having one end engaged with the wallsof. the chamber 34 and its other end passed through a central apertureformed in the outer wall of the chamber 4 and extended through thedamper 35 and provided with a washer or head engaged with the outer faceof said damper.

I usually provide the damper 35 with a hollow boss surrounding said boltand a coilspring arranged within said boss and interposed between theouter head of the bolt and the adjacent faces of the damper forfrictionally holding said damper in its adjusted position.

Although the above-described means for connecting the conduit 5 with theair-inlet chamber 4 is desirable in connection with a furnace, it willbe understood that the chamber 34 may be dispensed with and that theconduit 5 may be otherwise connected to said chamber 4 and that theclamping-bolt 36 may be otherwise arranged in securing the conduit 5 andchamber 4 in operative position.

In Fig. 2 I have shown an inlet-chamber 40, similar to the chamber Al,which is alined with the aperture 9 of the plate, griddle, or crosspiecepreviously mentioned, and have also showna single clamping-bolt, similarto the clamping-bolt seen in Figs. 1 and 3, which is extended throughthe chamber 8 and the airinlet chamber 4 for engaging the outer face ofa damper 41, similar to the damper 35, previously mentioned. This boltserves to hold the damper 4:1 and the sections 1, 2, and 3 in operativeposition, the opening 11 of the upper plate of the section 1 beingalined with the opening 10 of the chamber 8 and the adjacent faces ofsaid upper section 1 and the lower wall of the chamber 8 being normallyheld in close contact with each other.

In the operation of my invention the air is admitted to theinlet-chamber 4 by means of the damper 35 and is conducted therefrom tothe interior chamber of the upper section 1. The air then passes throughthe apertures in the diaphragm in said section 1, through the apertures14 and 16 to the interior chamber of the section 2, through theapertures 17 and 27 and the interior chamber of the section 3, and isdischarged therefrom through the apertures 30 into the combustionchambera. r

The operation of my invention will now be readily understood uponreference to the foregoing description and the accompanying drawings,and it will be noted that any number of said sections may be assembledand supported by a single bolt and that the supporting means and otherdetails of construction may be somewhat varied without departing fromthe spirit of this invention. Therefore I do not limit myself to theconstruction and arrangement shown and described.

I claim 1. An apparatus for producing combustion comprising acombustion-chamloer, and a plurality of air-heating chambers arranged inplanes one above the other and communicating with each other, the upperchambers being of greater cross-sectional area than the next adjacentlower chamber, said chambers having openings for receiving anddischarging the air as described.

2. In combination withacombustion-cham her, a plurality of hollowlenticular sections detachably secured together and having openingsconnecting their interior chambers; the upper section being formed withan air-inlet opening communicating with the atmosphere and the lowersection being smaller than the upper section and having aperturesdischarging into the combustion-chamber and means for simultaneouslyforcing said sections toward each other.

In combination with acombustion-charn her, a plurality of hollowsections arranged in planes one above the other and each comprisingoppositely-arranged concavo-convex plates for forming a series ofair-chambers communicating with each other, the upper and lower sectionsbeing provided with air inlet and discharge openings for the purposedescribed, said lower section being of less size than the upper section,means for supporting the upper plate of the upper section, andadditional means for clamping the remaining plates to each other and tothe upper section.

4. Incombinationwithacombustion-chamher, an air-chamber having anopening communicating with the atmosphere, and a plurality of hollowlent-icular sections having their interior chambers connected to eachother, the upper sections being of greater area than the next adjacentlower section, a conduit connecting the chamber of the upper sectionwith the air-inlet chamber and the lower section being formed withapertures discharging into the combustion-chamber, and means fordetachably securing the sections to each other.

5. In combination withacombustion-chamher, a plurality of independentsections of unequal size each comprising oppositely-arrangedconcavoconvex plates having substantially central apertures alined witheach other, a clamping-bolt passed through the apertures and providedwith adjustable means for forcing said sections into engagement witheach other, the upper section having an inlet-opening communicating withthe atmosphere and the lower section being of less size than the uppersection and provided with a restricted opening discharging into thecombustion-chamber.

6. In combination withacombustion-chamher having an air-inlet, a seriesof chambers of unequal size, the larger chamber being connected to theinlet and the remaining chambers being gradually diminished in size andconnected to the larger chamber by restricted passages, the smallerchamber being nearest the source of heat and discharging into thecombustion-chamber.

7. An apparatus for producing combustion comprising a combustion-chamberhaving a fuel-inlet opening in one of its Walls, an airinlet conduitextending into the combustionchamber, a hollow air-receiving sectionconnected to the inner end of the conduit and discharging into thecombustion-chamber,

ing the air as described, and a diaphragm dividing one of saidair-chambers into compartments which communicate with each other.

9. In combination with a combustion-chamber having one of its wallsprovided with a fuel-inlet, a hollow section composed of separableplates, each provided with inlet and discharge openings for the purposedescribed, a diaphragm interposed between the plates, an air-inletconduit connected to the inletopenings of one of the plates, and a braceadjustably connected to the conduit and provided withdi verging armsengaged with the walls of the combustion-chamber at opposite sides ofthe fuel-inlet.

In witness whereof I have hereunto set my hand this 31st day of July,1900.

LEONIDAS D. WEST.

Witnesses:

HOWARD P. DENISON, H. E. CHASE.

